/* EduCore Cloud — UI */
:root{--brand:#1e5aa8;--brand2:#f5a623;--bg:#f4f6fa;--card:#fff;--ink:#1c2434;--muted:#667085;--line:#e4e7ec;--green:#12805c;--red:#c4320a;--amber:#b54708;--blue:#175cd3;--purple:#6941c6;--radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08)}
*{box-sizing:border-box}html,body{margin:0}body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:14px;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25}h1{font-size:22px}h2{font-size:18px}h3{font-size:15px}
img{max-width:100%}
.muted{color:var(--muted)}.small{font-size:12px}.right{text-align:right}.center{text-align:center}.nowrap{white-space:nowrap}.mt{margin-top:16px}.mb{margin-bottom:16px}.mb0{margin-bottom:0}.hidden{display:none!important}
/* shell */
.shell{display:flex;min-height:100vh}
.side{width:248px;background:#101828;color:#d0d5dd;flex-shrink:0;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{display:flex;align-items:center;gap:10px;padding:16px;border-bottom:1px solid #1d2939}
.side .brand img{width:36px;height:36px;border-radius:8px;object-fit:cover;background:#fff}
.side .brand .logo-fallback{width:36px;height:36px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff;font-weight:700}
.side .brand b{color:#fff;display:block;font-size:14px;line-height:1.2}.side .brand span{font-size:11px;color:#98a2b3}
.side nav{padding:8px}.side nav .grp{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#667085;padding:14px 10px 4px}
.side nav a{display:flex;align-items:center;gap:10px;color:#d0d5dd;padding:8px 10px;border-radius:8px;font-size:13.5px}
.side nav a:hover{background:#1d2939;text-decoration:none}.side nav a.on{background:var(--brand);color:#fff}
.side nav a .ic{width:18px;text-align:center;opacity:.9}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{background:#fff;border-bottom:1px solid var(--line);padding:10px 24px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:5}
.top .grow{flex:1}.top .menu-btn{display:none;background:none;border:0;font-size:22px;cursor:pointer}
.content{padding:24px;max-width:1400px;width:100%}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.page-head h1{margin:0}.page-head .actions{display:flex;gap:8px;flex-wrap:wrap}
/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card>h2:first-child,.card>h3:first-child{margin-top:0}
.card-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:8px;flex-wrap:wrap}.card-head h2,.card-head h3{margin:0}
.grid{display:grid;gap:18px}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.stat .lbl{color:var(--muted);font-size:12.5px}.stat .num{font-size:24px;font-weight:700;margin-top:4px}.stat .sub{font-size:12px;color:var(--muted)}
.stat.accent{border-left:4px solid var(--brand)}
/* tables */
.table-wrap{overflow-x:auto}
table.t{width:100%;border-collapse:collapse;font-size:13.5px}
table.t th{text-align:left;font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--line);padding:9px 10px;background:#fafbfc;white-space:nowrap}
table.t td{border-bottom:1px solid var(--line);padding:9px 10px;vertical-align:top}
table.t tr:hover td{background:#fafbff}
table.t tfoot td{font-weight:700;background:#fafbfc}
/* forms */
label{display:block;font-weight:600;font-size:12.5px;margin-bottom:4px;color:#344054}
.f{margin-bottom:14px}
input:not([type]),input[type=search],input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=time],input[type=tel],input[type=datetime-local],input[type=url],input[type=file],select,textarea{width:100%;padding:9px 11px;border:1px solid #d0d5dd;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--brand) 35%,transparent);border-color:var(--brand)}
input[type=color]{width:60px;height:38px;border:1px solid #d0d5dd;border-radius:8px;padding:2px;background:#fff}
textarea{min-height:90px;resize:vertical}
.check{display:flex;align-items:center;gap:8px;font-weight:500}.check input{width:auto}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.row{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.inline-form{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap}.inline-form .f{margin:0}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--brand);background:var(--brand);color:#fff;font:inherit;font-weight:600;font-size:13.5px;cursor:pointer;text-decoration:none!important;white-space:nowrap}
.btn:hover{filter:brightness(1.07)}
.btn.sec{background:#fff;color:#344054;border-color:#d0d5dd}.btn.danger{background:var(--red);border-color:var(--red)}.btn.green{background:var(--green);border-color:var(--green)}.btn.amber{background:var(--amber);border-color:var(--amber)}
.btn.sm{padding:5px 10px;font-size:12.5px}.btn.lg{padding:12px 20px;font-size:15px}.btn.block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}
.linkbtn{background:none;border:0;color:var(--brand);cursor:pointer;font:inherit;padding:0}
.linkbtn.danger{color:var(--red)}
/* badges & alerts */
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap}
.badge-green{background:#ecfdf3;color:var(--green)}.badge-red{background:#fef3f2;color:var(--red)}.badge-amber{background:#fffaeb;color:var(--amber)}.badge-blue{background:#eff8ff;color:var(--blue)}.badge-purple{background:#f4f3ff;color:var(--purple)}.badge-grey{background:#f2f4f7;color:#475467}
.alert{padding:11px 14px;border-radius:8px;margin-bottom:14px;border:1px solid;font-size:13.5px}
.alert-success{background:#ecfdf3;border-color:#abefc6;color:#067647}.alert-error{background:#fef3f2;border-color:#fecdca;color:#b42318}.alert-info{background:#eff8ff;border-color:#b2ddff;color:#175cd3}.alert-warning{background:#fffaeb;border-color:#fedf89;color:#b54708}
/* tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs a{padding:9px 14px;color:var(--muted);border-bottom:2px solid transparent;font-weight:600;font-size:13.5px}
.tabs a.on{color:var(--brand);border-color:var(--brand)}.tabs a:hover{text-decoration:none;color:var(--ink)}
/* misc */
.kv{display:grid;grid-template-columns:170px 1fr;gap:6px 14px;font-size:13.5px}.kv div:nth-child(odd){color:var(--muted)}
.pager{display:flex;gap:4px;margin-top:12px;flex-wrap:wrap}.pager a,.pager span{padding:5px 10px;border:1px solid var(--line);border-radius:6px;background:#fff}.pager .cur{background:var(--brand);color:#fff;border-color:var(--brand)}
.empty{padding:30px;text-align:center;color:var(--muted)}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.filters input,.filters select{width:auto;min-width:160px}
.pipeline{display:grid;grid-template-columns:repeat(7,minmax(180px,1fr));gap:10px;overflow-x:auto}
.pipeline .col{background:#f2f4f7;border-radius:10px;padding:8px;min-height:120px}.pipeline .col h4{font-size:12px;text-transform:uppercase;color:var(--muted);margin:4px 4px 8px;display:flex;justify-content:space-between}
.pipeline .lead{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:6px;font-size:12.5px}
.steps{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap}.steps .s{flex:1;min-width:110px;padding:8px 10px;border-radius:8px;background:#f2f4f7;color:var(--muted);font-size:12px;font-weight:600}.steps .s.on{background:var(--brand);color:#fff}.steps .s.done{background:#ecfdf3;color:var(--green)}
.timeline{border-left:2px solid var(--line);padding-left:14px;margin-left:6px}.timeline .ti{position:relative;margin-bottom:12px}.timeline .ti:before{content:"";position:absolute;left:-20px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--brand)}
.avatar{width:84px;height:84px;border-radius:12px;object-fit:cover;background:#eef2f6;display:grid;place-items:center;font-size:28px;font-weight:700;color:var(--muted)}
.swatch{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:middle;border:1px solid #0002}
code{background:#f2f4f7;padding:1px 5px;border-radius:4px;font-size:12px}
pre.log{background:#101828;color:#d0d5dd;padding:12px;border-radius:8px;overflow:auto;font-size:12px;max-height:300px}
/* auth / plain */
.plain-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#eef4ff,#f8fafc)}
.auth-card{width:100%;max-width:440px;background:#fff;border-radius:14px;box-shadow:0 10px 30px rgba(16,24,40,.1);padding:28px}
.auth-card.wide{max-width:860px}
.auth-card .logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.auth-card .logo .mark{width:40px;height:40px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
/* print */
.print-page{max-width:800px;margin:20px auto;background:#fff;padding:36px 44px;box-shadow:var(--shadow);border-radius:6px}
.letterhead{display:flex;align-items:center;gap:16px;border-bottom:3px solid var(--brand);padding-bottom:12px;margin-bottom:20px}
.letterhead img{width:70px;height:70px;object-fit:contain}.letterhead h2{margin:0;color:var(--brand);font-size:22px}.letterhead p{margin:2px 0;color:var(--muted);font-size:12.5px}
.print-bar{max-width:800px;margin:12px auto;display:flex;gap:8px;justify-content:flex-end}
@media print{.print-bar,.no-print{display:none!important}body{background:#fff}.print-page{box-shadow:none;margin:0;max-width:none;padding:0}}
/* responsive */
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:1fr 1fr}}
@media (max-width:760px){
  .side{position:fixed;left:-260px;z-index:50;transition:left .2s}.side.open{left:0}
  .top .menu-btn{display:block}.content{padding:16px}
  .g2,.g3,.g4{grid-template-columns:1fr}.kv{grid-template-columns:1fr}.kv div:nth-child(odd){margin-top:6px}
  .filters input,.filters select{min-width:0;width:100%}
}

/* simple bar charts (no external libraries) */
.bars{display:flex;flex-direction:column;gap:8px}
.bars .b{display:grid;grid-template-columns:120px 1fr 110px;gap:10px;align-items:center;font-size:12.5px}
.bars .b .lbl{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bars .b .trk{background:#eef1f5;border-radius:6px;height:18px;overflow:hidden}
.bars .b .fill{background:var(--brand);height:100%;border-radius:6px;min-width:2px}
.bars .b .v{text-align:right;font-variant-numeric:tabular-nums}
.cols{display:flex;align-items:flex-end;gap:12px;height:180px;padding-top:10px}
.cols .c{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;font-size:11.5px;color:var(--muted)}
.cols .c .col{width:100%;max-width:56px;background:var(--brand);border-radius:6px 6px 0 0;min-height:2px}
.cols .c .val{color:var(--ink);font-size:11px;margin-bottom:4px;white-space:nowrap}
.fname{font-size:12px;overflow-wrap:anywhere;min-width:200px;max-width:280px}